Tigervivi New Laptop Battery for Apple A1321 A1286 (Only for Mid 2009, Early/Late 2010) MacBook Pro 15" Unibody, fits MC371LL/A MC372LL/A (Li-Polymer 6-cell 7000mAh/77.5Wh) Batteries capacity: 7000 mAh | Chemistry: Li-Polymer | Voltage: 10.95 Volts | Cells: 6 | Wh: 77.5 | Fast charge. No memory effect. 100% Compatible with the Original Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability High Performance meets and/or exceed OEM specification and will not void your original manufacturer warranty. Warranty: 12 Months warranty, 30 days money return guarantee, 24 x 7 email support.